Added iconColor and textColor properties to ExpansionTile #78281
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Added
iconColor,collapsedIconColor,textColorandcollapsedTextColorproperties to ExpansionTile. If specified, they define the colors of the trailing expand/collapse icon and the colors of the tile's title and subtitle. Although the default values for these colors were never documented, some apps have created dependencies on the default values and were using Theme overrides to set them.The new properties were added to so that apps could specify the colors directly, rather on depending the undocumented defaults - which included
accentColorjust for the trailing icon's color - per #56918.Tested against internal apps: /cl/362300735